FIX IT WITH

Po­si­tion your­self flat on the floor, lower back pressed to the ground. In­ter­lock your hands be­hind your head; keep neck mus­cles re­laxed. Bring both knees up to­wards your chest, cre­at­ing a 45-de­gree an­gle, and be­gin mov­ing your legs through a bi­cy­cle ped­al­ing mo­tion. Now re­verse the ac­tion. Re­peat. Main­tain even breath­ing through­out the ex­er­cise. Do three sets of 20-30, three times a week.